Speaker



FIG. 1 is a bottom perspective view of a speaker showing my new design;

FIG. 2 is bottom plan view thereof;

FIG. 3 is a right side perspective view thereof;

FIG. 4 is a left side perspective view thereof;

FIG. 5 is a left side elevational view thereof; and,

FIG. 6 is a front elevational view thereof, the rear elevational view being a mirror image. 

The ornamental design for an speaker, as shown and described. 